Outdoor lighting system transformer



FIG. 1 is a perspective view of an outdoor lighting system transformer showing my new design;

FIG. 2 is a front side elevational view thereof;

FIG. 3 is a back side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a front perspective view thereof, shown in an alternate configuration.

The portions shown in broken lines form no part of the claimed design. 

CLAIM The ornamental design for an outdoor lighting system transformer, as shown and described. 